<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <link rel="stylesheet" href="../theme/default/style.css" type="text/css" />
        <link rel="stylesheet" href="../theme/default/framedCloud.css" type="text/css" />
    <link rel="stylesheet" href="style.css" type="text/css" />

    <style type="text/css">
        #map {
            width: 100%;
            height: 80%;
            border: 1px solid black;
        }
        .olPopup p { margin:0px; font-size: .9em;}
        .olPopup h2 { font-size:1.2em; }
    </style>
    <script src="../lib/OpenLayers.js"></script>
    <script type="text/javascript">
        var lon = 5;
        var lat = 40;
        var zoom = 5;
        var map, layer;

        function init(){
            var options = {
                projection: new OpenLayers.Projection("EPSG:900913"),
                displayProjection: new OpenLayers.Projection("EPSG:4326"),
                units: "m",
                maxResolution: 156543.0339,
                maxExtent: new OpenLayers.Bounds(-20037508.34, -20037508.34,
                                                 20037508.34, 20037508.34)
            };
            map = new OpenLayers.Map('map', options);
            var mapnik = new OpenLayers.Layer.TMS(
                "OpenStreetMap (Mapnik)",
                "http://tile.openstreetmap.org/",
                {
                    type: 'png', getURL: osm_getTileURL,
                    displayOutsideMaxExtent: true,
                    attribution: '<a href="http://www.openstreetmap.org/">OpenStreetMap</a>'
                }
            );
            map.addLayer(mapnik);
            map.addLayer(new OpenLayers.Layer.GML("KML", "kml/sundials.kml", 
               {
                format: OpenLayers.Format.KML, 
                projection: map.displayProjection,
                formatOptions: {
                  extractStyles: true, 
                  extractAttributes: true
                }
               }));
             selectControl = new OpenLayers.Control.SelectFeature(map.layers[1],
                {onSelect: onFeatureSelect, onUnselect: onFeatureUnselect});
  
            map.addControl(selectControl);
            selectControl.activate();   
            map.zoomToExtent(new OpenLayers.Bounds(68.774414,11.381836,123.662109,34.628906).transform(map.displayProjection, map.projection));
        }
        function onPopupClose(evt) {
            selectControl.unselect(selectedFeature);
        }
        function onFeatureSelect(feature) {
            selectedFeature = feature;
            popup = new OpenLayers.Popup.FramedCloud("chicken", 
                                     feature.geometry.getBounds().getCenterLonLat(),
                                     new OpenLayers.Size(100,100),
                                     "<h2>"+feature.attributes.name + "</h2>" + feature.attributes.description,
                                     null, true, onPopupClose);
            feature.popup = popup;
            map.addPopup(popup);
        }
        function onFeatureUnselect(feature) {
            map.removePopup(feature.popup);
            feature.popup.destroy();
            feature.popup = null;
        }
        function osm_getTileURL(bounds) {
            var res = this.map.getResolution();
            var x = Math.round((bounds.left - this.maxExtent.left) / (res * this.tileSize.w));
            var y = Math.round((this.maxExtent.top - bounds.top) / (res * this.tileSize.h));
            var z = this.map.getZoom();
            var limit = Math.pow(2, z);

            if (y < 0 || y >= limit) {
                return OpenLayers.Util.getImagesLocation() + "404.png";
            } else {
                x = ((x % limit) + limit) % limit;
                return this.url + z + "/" + x + "/" + y + "." + this.type;
            }
        }
    </script>
  </head>
  <body onload="init()">
      <h1 id="title">KML Layer Example</h1>

      <div id="tags"></div>

      <p id="shortdesc">
          Demonstrates loading and displaying a KML file on top of OpenStreetMap (OSM) data.
    </p>

    <div id="map" class="smallmap"></div>

    <div id="docs"></div>
  </body>
</html>
